{"id":"CVE-2026-75352","aliases":["EUVD-2026-95972","GHSA-fgff-hw4c-vx3q"],"status":"published","title":"OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP...","description":"OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00396,"percentile":0.34205,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-191"],"published":"2026-10-09T00:00:00Z","modified":"2026-10-16T17:16:41Z","references":[{"url":"https://github.com/EIPStackGroup/OpENer"},{"url":"https://github.com/EIPStackGroup/OpENer/issues/571","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75352"},{"url":"https://github.com/advisories/GHSA-fgff-hw4c-vx3q"}],"sources":{"cve":[{"id":"CVE-2026-75352","description":"OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service","status":"published","published":"2026-10-09T00:00:00Z","modified":"2026-10-13T10:59:41.209Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:20:07.260654Z"}],"euvd":[{"id":"EUVD-2026-95972","description":"OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service","status":"published","published":"2026-10-09T00:00:00Z","modified":"2026-10-13T10:59:41Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:21.215493Z"}],"ghsa":[{"id":"GHSA-fgff-hw4c-vx3q","title":"OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP...","description":"OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service","status":"published","published":"2026-10-09T21:31:20Z","modified":"2026-10-13T12:33:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T15:13:10.715475Z"}],"nvd":[{"id":"CVE-2026-75352","description":"OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service","status":"published","published":"2026-10-09T19:16:42.167Z","modified":"2026-10-16T17:16:41.3Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:12:55.473789Z"}]}}